P: Tone curve still broken in

Yes Carlos, the LR implementation of curves isn't a tool I like to use. It' just makes it harder to get what you want compared to curves in any other software.

As somebody already said previously, I think there is a mix up between people who is complaining about a specific bug, and people like me who just doesn't get what's the point in implementing a curves UI in such a weird an "unique" way. Specially when there's the tried and true Curves panel from Photoshop, Camera Raw and even other software that just allows us to place and move points along the curve without stepping into an alternate space-time warping reality as soon as we perform a mouse click.
For other people, maybe this method has some kind of added value, but for me... I'm almost unable to do anything with LR's curves and keep my blood pressure levels below a healthy threshold. Maybe I'm too "spoiled" because I spent to much time in ACR/PS... 😞

In response to Oscar's comments, let me reiterate my request that Adobe just copy the tone curve interface from Photoshop. In the Photoshop interface you can select a point. This allows you to use the keyboard arrows to tweak the curve by 1/256, and to use the delete key to get rid of a point. In Lightroom you can't use the arrows, and to delete a point you have to do an annoying right (control) click and select from a pop-up menu to delete a control point.

Why Adobe would abandon a well-designed interface to implement something much less effective is beyond me.

But this is something I see in Apple's software all the time. Some programmer says to him/her self "Hey, some really smart people spent a lot of time figuring out a user interface for a problem. I bet I can come up with something much better." Answer: you usually can't, but it gets implemented anyway because the new programmer is in charge.

You're not picky. I've got the same problem. Moving point to the left and down is fluent and very predictable,  but moving them right or up is soo hard and annoying. It's simply impossible to adjust point just like you want.  As you said,  the problem appeared few updates ago. On the very beginning, I was thinking that maybe my mac is full of junk but after clean install of OS the problem persists.

Hello!

This is not a bug I am guessing. I just want to show my dissatisfaction with the accuracy/control of the curve points.
The points haven't always had bad accuracy for me, it started a few updates ago (not sure which one).

My problem is that I am working with very small margins (I am picky about colours) and sometimes i just need to move the points one step up, down, left or right, but this is now very hard to do immediately every time, like I used to be able to do (even though it was't perfect back then either). Making small movements with both my mouse and trackpad the points wont move at all up and to the right, while to the left and down it moves right away (and often to much).

Anyone else have thought about this? I am afraid I am just very picky and others don't see this as a big problem, but for me this really is a huge deal since I am working a lot with curves.

If it helps I am using a macbook retina from 2015 with a force click touchpad and my very beloved Logitech MX518. I have more problem with my mouse than with my trackpad, but both makes a terrible job at controlling the points.

By the way, sorry for making an account just to come and address this problem. I really love lightroom aside from this! ❤️

I'm glad to learn that it's not just me. I have the same problem when trying to move points on a curve with my mouse or trackpad. 2012 retina MacBook Pro with macOS Sierra 10.12.3 and up-to-date Lightroom CC.

In the latest versions of Lightroom CC, when trying to tweak individual points in the curves section, it's almost impossible to move your point a small adjustment without it freaking out.  I'm running OSX and it happens when using both my mouse and trackpad.  It never used to be like this in older versions of LR.

I have a bit different problem with tone curve. No matter of position of LR on the screen, when I move point to the left or down, everything seems to be alright.  But when I try to move it up or right, mouse seems to be 100 times less sensitive - I have to scroll it like few centimeters on the desk to make a small move on the screen.  And when I move mouse with same speed as I do to the left or down, it simply does nothing. I can slide trough whole desk with no affect on the curve.  As I said, it does not depend on the position of the point on the curve or position of LR on the screen, it's always like that and it was to me from the very beginning of the sierra on my mac.   Even after clean install.

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Now that these two threads have been merged, I encourage everyone to read my original post, which suggests some (partially successful) work-arounds, while we wait for Adobe to squash this bug.

Here is my quick video demonstrating the problem:
https://www.youtube.com/watch?v=j3Kus4pEm5U